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Add preview=mathml,altimg to the mml2jax preprocessor. #557

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Frédéric Wang 2013-08-30 11:27:12 +02:00
parent 86a908bda8
commit 850f736aa7
1 changed files with 17 additions and 6 deletions
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23
unpacked/extensions/mml2jax.js
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@ -181,13 +181,24 @@ MathJax.Extension.mml2jax = {
createPreview: function (math,script) {
var preview = this.config.preview;
if (preview === "none") return;
if (preview === "alttext") {
var text = math.getAttribute("alttext");
if (text != null) {preview = [this.filterPreview(text)]} else {preview = null}
}
if (preview === "mathml") {preview = math}
else if (preview === "alttext" || preview === "altimg") {
var alttext = this.filterPreview(math.getAttribute("alttext"));
if (preview === "alttext") {
if (alttext != null) {preview = MathJax.HTML.TextNode(alttext)} else {preview = null}
} else {
var src = math.getAttribute("altimg");
if (src != null) {
// FIXME: use altimg-valign when display="inline"?
var style = {width: math.getAttribute("altimg-width"), height: math.getAttribute("altimg-height")};
preview = MathJax.HTML.Element("img",{src:src,alt:alttext,style:style});
} else {preview = null}
}
}
if (preview) {
preview = MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},preview);
script.parentNode.insertBefore(preview,script);
var span = MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass});
span.appendChild(preview);
script.parentNode.insertBefore(span,script);
}
},